Headset



FIG. 1 is a perspective view of a headset showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a view from the back thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a an opposite side view thereof; and,

FIG. 7 is a front view thereof.

The ornamental design for headset, as shown and described.